@article{towardsrealtimepopulationestimates,
  title = {Towards real-time population estimates: introducing Twitter daily estimates of residents and non-residents at the county level},
  author = {Yago Martin and Zhenlong Li and Yue Ge},
  year = {2020},
  eprint = {2011.13482},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2011.13482v1},
}